Are you new to Korea (or planning to come) and want to know how to order food at one of the local eateries, or just know what it is? Do you live somewhere else and want to impress that beautiful...
I know what the rationale behind it was, and understand that many Koreans really think that sort of stuff is spiffy, and are drawn to shop somewhere that shows that kind of rigorous employee-indoctrination methodology, but it was still deeply, excitingly Weird.